ISP521-4BLSMT&R

Transistor, Photovoltaic Output Optoisolators Overview

The ISP521-4BLSMT&R is a quad-channel optocoupler manufactured by Isocom Components. It integrates an infrared LED with four NPN silicon phototransistors in a surface-mount DIP package. Key electrical parameters include a maximum isolation voltage of 5300 Vrms, a typical rise time of 4 μs, and a typical fall time of 3 μs. The device supports a maximum forward current of 50 mA and operates within a temperature range of -30°C to 100°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Integrates four independent channels for simultaneous signal isolation
• Utilizes NPN silicon phototransistor output configuration
• Provides high-voltage electrical isolation between input and output circuits

Transistor, Photovoltaic Output Optoisolators Applications

• Industrial control systems requiring multi-channel isolation
• Power supply protection circuits
• Data acquisition modules

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix BLSMT&R against official Isocom documentation to confirm surface-mount packaging and tape-and-reel delivery format. Ensure compatibility with standard SMD reflow profiles and check for RoHS compliance status prior to integration into manufacturing processes.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when multiple isolated channels are required in a compact footprint. The quad-channel design reduces board space compared to discrete single-channel units. Verify that the 5300 Vrms isolation rating meets the safety requirements of the target application environment.

Transistor, Photovoltaic Output Optoisolators Part Context

This part belongs to the ISP series of optocouplers from Isocom Components, designed as alternatives to common industry standards. The series focuses on providing reliable optical isolation with standardized pinouts to facilitate drop-in replacements for legacy designs in various electronic equipment.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

Consult official substitution lists for equivalent quad-channel DIP optocouplers such as the TLP521-4 series. Confirm pinout compatibility and electrical parameter margins before replacing existing components in established designs.